SUMMARY
The horizontal scrollbar doesn't work when files with long lines are loaded into "A" and "B".


STEPS TO REPRODUCE
1. Open KDiff3.
2. Load a file of your choice with long lines in "A" and "B".
3. Try to scroll horizontally.

OBSERVED RESULT
Unable to scroll to the last character of a line.

EXPECTED RESULT
It should be possible to scroll to the last character of a line.


SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 42
KDE Plasma Version: 6.4.3
KDE Frameworks Version: 6.16.0
Qt Version: 6.9.1
Kernel Version: 6.15.6-200.fc42.x86_64 (64-bit)
Graphics Platform: X11
Processors: 20 × 12th Gen Intel® Core™ i7-12700T
Memory: 16 GiB of RAM (15.3 GiB usable)
Graphics Processor: Intel® UHD Graphics 770